| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 01/17/2013 | DE102011107737A1 Verfahren zur Steuerung eines Direktumrichters, elektronische Steuerungseinrichtung dafür, Direktumrichter und Computerprogramm A method of controlling a cycloconverter, electronic control means therefor, and computer program cycloconverter |
| 01/17/2013 | DE102011079053A1 Method for operating electric loads in alternating current (AC) network, involves driving positive half-waves for one electric load and negative half-waves for another electric load with phase angle in one operating mode |
| 01/16/2013 | EP2546972A1 Power semiconductor module, electric power converter, and railway vehicle |
| 01/16/2013 | EP2546969A1 Method for controlling a frequency converter and frequency converter |
| 01/16/2013 | CN202679770U Inverter boost pulse laser power supply |
| 01/16/2013 | CN202679257U Alternating current constant current source |
| 01/16/2013 | CN202679256U Frequency converter of non-phase shifting transformer |
| 01/16/2013 | CN202679255U Frequency adjustment circuit of frequency converter |
| 01/16/2013 | CN202679254U Four-quadrant cascade type high voltage frequency conversion apparatus |
| 01/16/2013 | CN202678983U High capacity inverting grid-connecting apparatus |
| 01/16/2013 | CN202678071U Installation structure of saturable reactors in rectifier transformer |
| 01/16/2013 | CN102884695A 变速驱动器 Variable speed drives |
| 01/16/2013 | CN102882416A High-voltage frequency converter topology circuit and basic converter chain circuit |
| 01/16/2013 | CN102882383A Direct power control method of modular multilevel wind power converter |
| 01/16/2013 | CN102882382A Power-frequency power supplied electromagnetic device capable of running at magnetic flux frequency lower than power frequency |
| 01/16/2013 | CN102882357A Power output device |
| 01/16/2013 | CN102295288B 24-pair silicon rod polysilicon reduction furnace power supply system |
| 01/16/2013 | CN102064713B High-efficiency flyback grid-connected photovoltaic inverter |
| 01/16/2013 | CN102005903B Digital current equalizing method of power source module, power source module and communication equipment |
| 01/10/2013 | WO2013006068A1 An inductively coupled power transfer receiver |
| 01/10/2013 | US20130010506 Leakage current reducing apparatus |
| 01/10/2013 | US20130010505 Method for controlling a power converter in a wind turbine generator |
| 01/09/2013 | EP2544349A1 Management of a frequency converter on a conveyor assembly |
| 01/09/2013 | CN202663308U Temperature adjusting controller with transformer function |
| 01/09/2013 | CN202663307U Control module used for direct current variable frequency compressor |
| 01/09/2013 | CN202663306U Motor power supply system used for oriented silicon steel wire |
| 01/09/2013 | CN202663304U High-voltage electric field generation device |
| 01/09/2013 | CN102868312A Contravariant method and contravariant device |
| 01/09/2013 | CN102868307A Device capable of obtaining power supply from audio interface |
| 01/09/2013 | CN102868234A Non-contact power feeding apparatus |
| 01/09/2013 | CN102055357B 开关电源控制器电路及开关电源系统 Switching power supply controller circuit and switching power supply system |
| 01/08/2013 | US8351224 Power conversion apparatus |
| 01/08/2013 | US8350518 Control apparatus for matrix converter |
| 01/03/2013 | WO2013001496A2 Wind turbine for generating electric energy |
| 01/03/2013 | WO2013000034A1 System and method for reducing power consumption in a power supply circuit |
| 01/03/2013 | WO2012045666A3 Method and device to protect an esp power supply from transient over-voltages on the power grid |
| 01/03/2013 | US20130002186 Power converter |
| 01/03/2013 | DE102011078211A1 Verfahren zum Betreiben einer elektrischen Schaltung sowie elektrische Schaltung A method of operating an electrical circuit and electrical circuit |
| 01/03/2013 | CA2877021A1 System and method for reducing power consumption in a power supply circuit |
| 01/02/2013 | EP1634365B1 Wind farm |
| 01/02/2013 | CN202652078U Frequency converter for coil winding machine |
| 01/02/2013 | CN202652077U Vector frequency converter |
| 01/02/2013 | CN202652076U Frequency converter for wire electrical discharge machine tool |
| 01/02/2013 | CN202652075U Multiphase transformer |
| 01/02/2013 | CN202639603U Double-voltage inversion direct current arc welding power source |
| 01/02/2013 | CN102857120A Insulated gate bipolar translator (IGBT) clamping three-level frequency converter |
| 01/02/2013 | CN102857119A Wideband transform-up detection power supply for current transformers |
| 01/02/2013 | CN102857118A Voltage regulating and stabilizing device |
| 01/02/2013 | CN102857117A Method for operating an electrical circuit and electrical circuit |
| 01/02/2013 | CN102857116A Bridge chopper |
| 01/02/2013 | CN102857115A Improved electronic transformer |
| 01/02/2013 | CN102857114A Alternating-current voltage stabilizing circuit of transformer without power supply |
| 01/02/2013 | CN102857113A Parallel-type partial-discharge-free frequency conversion boost power supply device |
| 01/02/2013 | CN102857112A Chopper for reactive compensation apparatus |
| 01/02/2013 | CN102857111A Voltage regulating and stabilizing control system |
| 01/02/2013 | CN102857110A Voltage regulating and stabilizing DSP (digital signal processor) control device |
| 01/02/2013 | CN102185488B Method for realizing load unbalance rate of less than or equal to 30 percent of reduction furnace rectifier transformer |
| 01/02/2013 | CN101320942B Method for controlling frequency converter unit, and frequency converter assembly |
| 01/01/2013 | US8345453 Power conversion apparatus for electric vehicle |
| 01/01/2013 | US8344706 System and method for rejecting DC current in power factor correction systems |
| 01/01/2013 | US8344550 Power conversion control with energy storage |
| 12/27/2012 | WO2012176327A1 Power conversion device and device for controlling same |
| 12/27/2012 | WO2012175295A1 Short circuit safe rectifier stage for a subsea power grid |
| 12/27/2012 | US20120327694 Power converter |
| 12/27/2012 | US20120326646 Power semiconductor module, power converting apparatus, and railway car |
| 12/27/2012 | DE102011105444A1 Dimmer-Schaltung für das Phasenanschnitt-Verfahren Dimmer circuit for phase control method |
| 12/26/2012 | EP2538541A1 Method for stability and dimming of luminosity of lamps and illumination bodies having LED elements |
| 12/26/2012 | EP2538540A1 Short circuit safe rectifier stage for a subsea power grid |
| 12/26/2012 | EP2538539A1 Rectifier stage for a subsea power grid |
| 12/26/2012 | EP2537242A1 Dynamic application of cut-out pulses in alternating current power |
| 12/26/2012 | CN202634361U Mine explosion-proof frequency conversion device with low switching frequency |
| 12/26/2012 | CN202634294U Frequency converter for energy-saving power generator for drilling |
| 12/26/2012 | CN202634293U Frequency converter for engraving machine |
| 12/26/2012 | CN202634292U Amorphous alloy soft-start energy-saving transformer |
| 12/26/2012 | CN202634291U Alternating current control power supply operation platform |
| 12/26/2012 | CN202634290U AC power transmission and transformation low-voltage side voltage stabilization apparatus |
| 12/26/2012 | CN202634289U Impedance stabilization device and electronic or electric equipment employing same |
| 12/26/2012 | CN202634288U Novel frequency converter |
| 12/26/2012 | CN202633914U Overvoltage protecting circuit of output electrolytic capacitor of active PFC (Power Factor Correction) circuit and switching power supply |
| 12/26/2012 | CN202633005U Single phase dry-type convertor transformer for pressing polycrystalline silicon |
| 12/26/2012 | CN202633002U Transformer for multifunctional all-in-one machine |
| 12/26/2012 | CN102844978A Method and device for operating asynchronous motor having increased efficiency |
| 12/26/2012 | CN102844975A 泄漏电流降低装置 Leakage current reduction means |
| 12/26/2012 | CN102843094A High voltage variable frequency control system |
| 12/26/2012 | CN102843044A Multi-axis misphase control device |
| 12/26/2012 | CN102843043A Three-phase thyristor power controller and phase change control method |
| 12/26/2012 | CN102843018A Integral-variable bicirculating mapping pulse width modulation method of modularized multi-level converter |
| 12/26/2012 | CN101976955B Variable-pitch servo driver with function of energy storage |
| 12/26/2012 | CN101483356B Power transmission control device, non-contact power transmission system, power transmitting device, electronic instrument, and waveform monitor circuit |
| 12/25/2012 | US8339820 Thirty-six pulse power transformer and power converter incorporating same |
| 12/20/2012 | US20120320642 Compound semiconductor device and method of manufacturing the same |
| 12/20/2012 | US20120320641 Power converter bus control |
| 12/19/2012 | EP2534747A1 Control systems |
| 12/19/2012 | CN202617012U Intensive high voltage large power frequency converter |
| 12/19/2012 | CN202617011U Power unit |
| 12/19/2012 | CN202617010U Integrated frequency conversion control cabinet specialized for air cooling system of thermal power plant |
| 12/19/2012 | CN202617009U Big power three-phase triple direct current chopper device |
| 12/19/2012 | CN202615991U Converter transformer for polycrystalline silicon reduction furnace |
| 12/19/2012 | CN202608586U Flexible traction power supply device of electrified railway |
| 12/19/2012 | CN202607061U Inverted plasma cutting machine for insulated-gate bipolar transistor |